◎ 题干
(2014·安徽省芜湖三校一模)A recent study has  ________an unexpected conclusion that the African elephant should be divided into two different species.
A.kept up with   B.made up with
C.caught up with  D.come up with
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“(2014·安徽省芜湖三校一模)A recent study has ________an unexpected conclusion that the African elephant should be divided into two different species.A.kept up wi…”主要考查了你对  【一般过去时】【一般过去时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。